Coal-sitter



w. '0. BROWN;

Coal Hod and Screen.

Patented .Sept. 1, 1857'.

N. PETERS. Fhnlo-Lflhognpher. Wnhingmn. D C

IINITED STATES PATENT OFFICE WM. D. BROW'N, OF WEYMOUTH, MASSACHUSETTS.

COAL-SIFTER.

Specification of Letters Patent No. 18,082, dated September 1, 1857.

To all whom it may concern:

Be it known that I, WVILLIAM D. BROWN, of Weymouth, in the county ofNorfolk and Commonwealth of Massachusetts, have invented a new andimproved method of sifting or screening coal and coal-cinders fromcoal-ashes by means of a portable machine intended to serve the purposesof a coal-hod, and also for sifting or screening coal and coal-cindcrsfrom the ashes; and I do hereby declare that the following is a full andexact description thereof.

My invention consists of a machine or vessel, made of wood or metal, sosuspended on an axis as to allow of an oscillating movement, in whichmachine or vessel is a sieve or screen of metallic netting or rods, and

an arrangement by which the ashes on being sifted are separated and keptapart from the coal and cinders, and all dust therefrom prevented fromescaping.

I hereby describe my aforesaid invention in connection with andreferring to the accompanying drawings- Figure 1: C C is the machine; AA A the frame in which the vessel or machine is suspended; B, the axisametallic rod by means of which the oscillating movement is obtained; D,the cover to the receptacle for the coal; d, the fastening of the cover;'1, the hinge of the cover; E, the cover of, the opening or mouth fromwhich coal or coal-cinders, after having been sifted, are turned out; 6,the fastening and 2 the hinge of cover; F, the cover of the opening orpassage by which the ashes are emptied out from the cavity or space N(Fig. 2) f, the fastening; 3, the hinge of the cover F; G,the ear of thebail; H, the bail; I I, the handles soldered to each end of the machine;T P a small iron slide passing through the casing R and resting upon thepin or catch 8 attached to the machine, to keep it stationary whendesired. By raising the eccentric 2, the slide T, P is lifted at sametime from pin or catch 8, allowing the machine to oscillate.

Fig. 2: M is the receptacle for coal in the first instance; J J, thesifter or screen, made of wire netting or otherwise fixed in a frame andextending from the end C, nearly the length of the machine, and fastenedto the side by means of screws or rivets. N is the receptacle for theashes coming through the sifter; K, a metallic plate forming one end ofthe receptacle or space M; L, a metallic plate extending nearly thelength of the lower cavity or compartment, soldered to the sides and oneend for the purpose of retaining the ashes in the lower cavity when thecoal or coal-cinders are thrown out from the space M, above the sieve. fis a ring; f a catch on which the ring is fastened to keep in place thecover F; e a ring; 6 a catch on which ring fastens to keep in placecover E. O 0, screws or rivets fastening sieves to sides of machine.

hat I claim as my invention, and desire to secure by Letters Patent, is

The combination of the screen I, I, and the plates K, and L, placed in avessel or machine, to be used as a portable coal-hod and sifter, sosuspended on an axis as to allow of an oscillating or swinging movement,all arranged and operating as in the specification described.

WM. D. BROWN.

Witnesses:

EDWIN WRIGHT, E. S. CHAPIN.

